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26 Chapter 1
Getting Started with AMPS Test
Display an FM Carrier Signal (Loopback Test)
Analyzing an FM Carrier Signal
1. Press the RF Anl key to go to the RF ANALYZER screen.
2. Select Tune Freq and use the keypad to set the frequency to
850.000 MHz. Notice that the Frequency Error, TX Power, FM
Deviation, and AF Frequency for the signal are automatically
displayed.
Figure 1-3 Default Digital Measurements for the FM Carrier
3. Press the
Spec Anl key to go to the SPECTRUM ANALYZER screen.
4. The signal is displayed.
5. Select Span and set it to 30.000 kHz to get a good view of the
modulated signal. See Figure 1-4.
Figure 1-4 FM Carrier Signal
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